[clang] [llvm] [CLANG][LLVM][AArch64]SME2.1 intrinsics for MOVAZ tile to 2/4 vectors (PR #88710)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `arc-builder` running on `arc-worker` while building `clang,llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/3/builds/624

Here is the relevant piece of the build log for the reference:
```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang :: CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /buildbot/worker/arc-folder/build/bin/clang -cc1 -internal-isystem /buildbot/worker/arc-folder/build/lib/clang/19/include -nostdsysteminc -triple aarch64-none-linux-gnu -target-feature +sme2p1 -target-feature +sme -target-feature +bf16 -disable-O0-optnone -Werror -Wall -emit-llvm -o - /buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c | /buildbot/worker/arc-folder/build/bin/opt -S -p mem2reg,instcombine,tailcallelim | /buildbot/worker/arc-folder/build/bin/FileCheck /buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c
+ /buildbot/worker/arc-folder/build/bin/opt -S -p mem2reg,instcombine,tailcallelim
+ /buildbot/worker/arc-folder/build/bin/FileCheck /buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c
+ /buildbot/worker/arc-folder/build/bin/clang -cc1 -internal-isystem /buildbot/worker/arc-folder/build/lib/clang/19/include -nostdsysteminc -triple aarch64-none-linux-gnu -target-feature +sme2p1 -target-feature +sme -target-feature +bf16 -disable-O0-optnone -Werror -Wall -emit-llvm -o - /buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c
/buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c:6:10: fatal error: 'arm_sme.h' file not found
    6 | #include <arm_sme.h>
      |          ^~~~~~~~~~~
1 error generated.
/buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c:10:17: error: CHECK-LABEL: expected string not found in input
// CHECK-LABEL: define dso_local <vscale x 32 x i8> @test_svreadz_hor_za8_s8_x2(
                ^
<stdin>:1:1: note: scanning from here
; ModuleID = '<stdin>'
^

Input file: <stdin>
Check file: /buildbot/worker/arc-folder/llvm-project/clang/test/CodeGen/aarch64-sme2p1-intrinsics/acle_sme2p1_movaz.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
          1: ; ModuleID = '<stdin>' 
label:10     X~~~~~~~~~~~~~~~~~~~~~~ error: no match found
          2: source_filename = "<stdin>" 
label:10     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>>>

--

********************


```

https://github.com/llvm/llvm-project/pull/88710